PASCHAL SHERMAN INDIAN SCHOOL
PWS ID: 105300009 · WASHINGTON, 10 20240
Population Served
220
Total Violations
195
Health-Based Violations
5
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Native American
- Connections
- 28
- School/Daycare
- Yes
- MCL Violations
- 0
- Monitoring Violations
- 178
- Treatment Tech Violations
- 5
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 16 | 2011 |
| Nitrate | MR | 9 | 2023 |
| Chlorine | MR | 9 | 2024 |
| Lead and Copper Rule | MR | 6 | 2023 |
| Revised Total Coliform Rule | MON | 5 | 2024 |
| TTHM | MR | 5 | 2015 |
| Consumer Confidence Rule | Other | 5 | 2009 |
| Total Haloacetic Acids (HAA5) | MR | 5 | 2015 |
| Groundwater Rule | TT | 4 | 2023 |
| Combined Radium (-226 and -228) | MR | 4 | 2011 |
| Gross Alpha, Excl. Radon and U | MR | 4 | 2011 |
| Combined Uranium | MR | 3 | 2011 |
| Benzene | MR | 3 | 2017 |
| Arsenic | MR | 3 | 2020 |
| Atrazine | MR | 3 | 2008 |
| trans-1,2-Dichloroethylene | MR | 2 | 2017 |
| 1,2-Dichloroethane | MR | 2 | 2017 |
| 1,1,1-Trichloroethane | MR | 2 | 2017 |
| Carbon tetrachloride | MR | 2 | 2017 |
| Trichloroethylene | MR | 2 | 2017 |
| 1,1,2-Trichloroethane | MR | 2 | 2017 |
| Toluene | MR | 2 | 2017 |
| Ethylbenzene | MR | 2 | 2017 |
| Styrene | MR | 2 | 2017 |
| Chromium | MR | 2 | 2008 |
| Cadmium | MR | 2 | 2008 |
| Barium | MR | 2 | 2008 |
| Endrin | MR | 2 | 2008 |
| Methoxychlor | MR | 2 | 2008 |
| Xylenes, Total | MR | 2 | 2017 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.